4153215229861 has 2 divisors, whose sum is σ = 4153215229862. Its totient is φ = 4153215229860.

The previous prime is 4153215229819. The next prime is 4153215229901. The reversal of 4153215229861 is 1689225123514.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2397523979236 + 1755691250625 = 1548394^2 + 1325025^2 .

It is a cyclic number.

It is not a de Polignac number, because 4153215229861 - 2³¹ = 4151067746213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4153215299861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2076607614930 + 2076607614931.

It is an arithmetic number, because the mean of its divisors is an integer number (2076607614931).

Almost surely, 2^{4153215229861} is an apocalyptic number.

It is an amenable number.

4153215229861 is a deficient number, since it is larger than the sum of its proper divisors (1).

4153215229861 is an equidigital number, since it uses as much as digits as its factorization.

4153215229861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1036800, while the sum is 49.

The spelling of 4153215229861 in words is "four trillion, one hundred fifty-three billion, two hundred fifteen million, two hundred twenty-nine thousand, eight hundred sixty-one".